Unocal GOM data

Raw Data On tape (Ocean bottom cable - Unocal) Velocity Model data_3docean_bottom_cable
Dmo Stack data_3docean_bottom_cable/dmo_data.H
Usage Never used at SEP Geometry

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                 ********** shoal_sort.H ************ 
          4 -esize          Unsynched        data_format-xdr_float 
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n1=1750                  o1=0.000000     d1=0.004000     label1=time 
n2=5063821       o2=1.000000     d2=1.000000     label2=trace number 
Data: in=./pt1.H@;/scrsa3/bob/pt2.H@ 
Binary file does not exist
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keynumber=1      keytype=scalar_int      keyname=sx 
keynumber=2      keytype=scalar_int      keyname=sy 
keynumber=3      keytype=scalar_int      keyname=gx 
keynumber=4      keytype=scalar_int      keyname=gy 
keynumber=5      keytype=scalar_int      keyname=cdp 
keynumber=6      keytype=scalar_int      keyname=offset 
keynumber=7      keytype=scalar_int      keyname=sstat 
keynumber=8      keytype=scalar_int      keyname=gstat 
keynumber=9      keytype=scalar_int      keyname=data_record_number 
keynumber=10     keytype=scalar_float    keyname=s_x 
keynumber=11     keytype=scalar_float    keyname=g_x 
keynumber=12     keytype=scalar_float    keyname=s_y 
keynumber=13     keytype=scalar_float    keyname=g_y 
keynumber=14     keytype=scalar_float    keyname=offset_x 
keynumber=15     keytype=scalar_float    keyname=cmp_x 
keynumber=16     keytype=scalar_float    keyname=offset_y 
keynumber=17     keytype=scalar_float    keyname=cmp_y 
keynumber=18     keytype=scalar_float    keyname=azimuth 
n2=5063821       o2=1.000000     d2=1.000000     label2=trace_number 
Headers in=/scrsa6/bob/shoal_sort.H@@@ 
   91148778 elements,   364595112 bytes in data file 
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grid axis2       n2=10   o2=1.000000     d2=1.000000     label2=trace_in_bin 
grid axis3       n3=16   o3=-2900.000000         d3=400.000000   label3=offset_x 
grid axis4       n4=71   o4=-14000.000000        d4=400.000000   label4=offset_y 
grid axis5       n5=168          o5=200.000000   d5=200.000000   label5=cmp_x 
grid axis6       n6=250          o6=300.000000   d6=200.000000   label6=cmp_y 
Grid   in=/scrsa6/bob/shoal_sort.H@@@@@ 
  477120000 elements,  1908480000 bytes in data file 
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Problem Velocity, Imaging
History of Data Gift from Unocal (1996), acquired offshore GOM (1992).
Preprocessing ????
Proprietary Considerations ?????

 

dmo-cube
Figure 1 Dmo stack

 

velocity-cube
Figure 2 Velocity model

 

shot-gather Figure 3 Raw Shot gather

 

cmp-fold
Figure 4 Cmp fold

 

offset-fold
Figure 5 Offset fold